WPA2 and WPA3 security in Computer Networks - Practice Problems & Coding Challenges

Challenge - 5 Problems

🧠 Conceptual

intermediate

Understanding WPA2 Encryption

Which encryption method is primarily used by WPA2 to secure wireless networks?

A TKIP (Temporal Key Integrity Protocol)

B AES (Advanced Encryption Standard)

C RSA (Rivest-Shamir-Adleman)

D WEP (Wired Equivalent Privacy)

💡 Hint

Think about the encryption standard that replaced older, less secure methods in WPA2.

WPA2 uses AES encryption, which is stronger and more secure than older methods like TKIP or WEP.

📋 Factual

intermediate

Key Improvement in WPA3 over WPA2

What is a key security improvement introduced in WPA3 compared to WPA2?

A Removal of encryption to speed up connections

B Disabling all password requirements

C Use of WEP encryption for compatibility

D Use of Simultaneous Authentication of Equals (SAE) for better password protection

💡 Hint

WPA3 improves password security by changing how devices authenticate.

WPA3 uses SAE, which protects against offline dictionary attacks, unlike WPA2's PSK method.

🔍 Analysis

advanced

Comparing Vulnerabilities in WPA2 and WPA3

Which vulnerability is addressed by WPA3 but remains a concern in WPA2?

A Offline dictionary attacks on weak passwords

B Physical theft of the router

C Interference from other wireless devices

D Limited Wi-Fi range

💡 Hint

Consider attacks that try many passwords without interacting with the network repeatedly.

WPA3's SAE protects against offline dictionary attacks, which WPA2's PSK method is vulnerable to.

❓ Comparison

advanced

Differences in Encryption Protocols Between WPA2 and WPA3

Which statement correctly describes the encryption protocols used in WPA2 and WPA3?

A WPA2 uses RSA encryption, WPA3 uses WEP

B Both WPA2 and WPA3 use the same encryption protocols without changes

C WPA2 uses AES with CCMP, while WPA3 mandates AES with GCMP for stronger encryption

D WPA2 uses TKIP only, WPA3 uses no encryption

💡 Hint

Look for the encryption mode that enhances security in WPA3.

WPA3 mandates AES with GCMP, which is a stronger encryption mode than WPA2's AES with CCMP.

❓ Reasoning

expert

Impact of WPA3 on Public Wi-Fi Security

How does WPA3 improve security for users connecting to public Wi-Fi networks compared to WPA2?

A By providing individualized encryption for each user even on open networks

B By removing all encryption to allow faster connections

C By requiring users to share passwords openly

D By disabling all authentication methods

💡 Hint

Think about how WPA3 protects users even when the network is open and does not require a password.

WPA3 uses Opportunistic Wireless Encryption (OWE) to encrypt data individually for each user on open networks, improving privacy.